Platelet-poor plasma: Centrifuge light blue-top tube 15 minutes at
approx. 1500 x g within 60 minutes of collection. Using a plastic
pipette, remove plasma, taking care to avoid the WBC/platelet buffy
layer and place into a plastic vial. Centrifuge a second time and
transfer platelet-poor plasma into a new plastic vial.
Plasma must be free of platelets (< 10,000/mcL). Freeze
immediately and ship on dry ice.

If the Thrombin Clotting Time is abnormal, test will reflex to the
mixing study at an additional charge.

Setup Schedule

Monday-Friday

Reported (Analytical Time)

Next day

CPT Code

85670

The CPT codes provided are based on AMA guidelines and are for informational purposes only.
CPT coding is the sole responsibility of the billing party.
Please direct any questions regarding coding to the payer being billed.